| Brownlee | Washington | Operational | 675 MW | 5 | Hydro | Idaho Power Co |
| Dworshak | Clearwater | Operational | 465 MW | 3 | Hydro | USACE Northwestern Division |
| Blacks Creek Solar | Ada | Planned | 400 MW | 1 | Solar | Blacks Creek Energy Center, LLC |
| Arco Wind and Solar Project | Bonneville | Planned | 359 MW | 2 | Wind | PacifiCorp |
| Langley Gulch Power Plant | Payette | Operational | 318.5 MW | 2 | Gas | Idaho Power Co |
| Rathdrum Power LLC | Kootenai | Operational | 301.5 MW | 2 | Gas | Rathdrum Power LLC |
| Evander Andrews Power Complex | Elmore | Operational | 270.9 MW | 3 | Gas | Idaho Power Co |
| Cabinet Gorge | Bonner | Operational | 265.2 MW | 4 | Hydro | Avista Corp |
| Crimson Orchard Solar and BESS | Elmore | Planned | 200 MW | 2 | Battery, Solar | Clenera DevCo LLC |
| Matrix Pleasant Valley | Ada | Operational | 200 MW | 1 | Solar | Pleasant Valley Solar, LLC |
| Palisades Dam | Bonneville | Operational | 176.4 MW | 4 | Hydro | U S Bureau of Reclamation |
| Bennett Mountain | Elmore | Operational | 172.8 MW | 1 | Gas | Idaho Power Co |
| Rathdrum | Kootenai | Operational | 166.4 MW | 2 | Gas | Avista Corp |
| Hemmingway BESS | Owyhee | Operational | 166 MW | 3 | Battery | Idaho Power Co |
| Cedar Creek Wind, LLC | Bingham | Operational | 160 MW | 1 | Wind | Cedar Creek Wind, LLC |
| Boise Bench BESS | Ada | Operational | 150 MW | 1 | Battery | Idaho Power Co |
| Kuna BESS | Ada | Operational | 150 MW | 1 | Battery | Kuna BESS, LLC |
| Pleasant Valley Solar 2 Project | Ada | Operational | 125 MW | 1 | Solar | PVS 2, LLC |
| Goshen Phase II | Bonneville | Operational | 124.5 MW | 1 | Wind | Clearlight Energy Holdings LP |
| Jackpot Solar, LLC | Twin Falls | Operational | 120 MW | 1 | Solar | Deriva Energy |
| Meadow Creek Project Company | Bonneville | Operational | 119.7 MW | 1 | Wind | Ridgeline Energy LLC |
| Clearwater Paper IPP Lewiston | Nez Perce | Operational | 113.8 MW | 4 | Biomass | Clearwater Paper Corporation |
| Lucky Peak Power Plant Project | Ada | Operational | 101.2 MW | 3 | Hydro | Boise-Kuna Irrigation District |
| Franklin Solar Hybrid | Twin Falls | Operational | 100 MW | 1 | Solar | Franklin Solar Idaho |
| American Falls | Power | Operational | 92.4 MW | 3 | Hydro | Idaho Power Co |
| C J Strike | Owyhee | Operational | 82.8 MW | 3 | Hydro | Idaho Power Co |
| Happy Valley Battery Storage | Canyon | Operational | 82 MW | 1 | Battery | Idaho Power Co |
| Grand View Solar Two | Elmore | Operational | 80 MW | 2 | Solar | Grand View PV Solar Two, LLC |
| Rockland Wind Farm | Power | Operational | 79.2 MW | 1 | Wind | Ridgeline Energy LLC |
| Bliss (ID) | Gooding | Operational | 75 MW | 3 | Hydro | Idaho Power Co |
| Wolverine Creek | Bonneville | Operational | 64.5 MW | 1 | Wind | Invenergy Services LLC |
| Franklin Battery Storage | Twin Falls | Operational | 60 MW | 1 | Battery | Idaho Power Co |
| Lower Salmon | Gooding | Operational | 60 MW | 4 | Hydro | Idaho Power Co |
| Milner Hydro | Cassia | Operational | 59.5 MW | 3 | Hydro | Idaho Power Co |
| Horse Butte Wind I, LLC | Bonneville | Operational | 57.6 MW | 1 | Wind | Utah Associated Mun Power Sys |
| Twin Falls (ID) | Twin Falls | Operational | 52.7 MW | 2 | Hydro | Idaho Power Co |
| Albeni Falls | Bonner | Operational | 42 MW | 3 | Hydro | USACE Northwestern Division |
| Anderson Ranch | Elmore | Operational | 40 MW | 2 | Hydro | U S Bureau of Reclamation |
| Black Mesa BESS | Elmore | Operational | 40 MW | 1 | Battery | Idaho Power Co |
| Black Mesa Solar, LLC | Elmore | Operational | 40 MW | 1 | Solar | Black Mesa Solar, LLC |
| High Mesa | Twin Falls | Operational | 40 MW | 1 | Wind | High Mesa Energy, LLC |
| ID Solar | Ada | Operational | 40 MW | 1 | Solar | AES Distributed Energy |
| Smith Falls Hydro Project | Boundary | Operational | 38.1 MW | 3 | Hydro | Smith Creek Hydro, LLC |
| Grace | Caribou | Operational | 33 MW | 3 | Hydro | PacifiCorp |
| Oneida | Franklin | Operational | 30 MW | 3 | Hydro | PacifiCorp |
| Minidoka | Minidoka | Operational | 27.7 MW | 4 | Hydro | U S Bureau of Reclamation |
| Swan Falls | Ada | Operational | 27.2 MW | 2 | Hydro | Idaho Power Co |
| Gem State | Bonneville | Operational | 23.4 MW | 1 | Hydro | City of Idaho Falls - (ID) |
| Cold Springs Windfarm | Elmore | Operational | 23 MW | 1 | Wind | Mountain Air Projects, LLC |
| Desert Meadow Windfarm | Elmore | Operational | 23 MW | 1 | Wind | Mountain Air Projects, LLC |
| Hammett Hill Windfarm | Elmore | Operational | 23 MW | 1 | Wind | Mountain Air Projects, LLC |
| Mainline Windfarm | Elmore | Operational | 23 MW | 1 | Wind | Mountain Air Projects, LLC |
| Ryegrass Windfarm | Elmore | Operational | 23 MW | 1 | Wind | Mountain Air Projects, LLC |
| Two Ponds Windfarm | Elmore | Operational | 23 MW | 1 | Wind | Mountain Air Projects, LLC |
| Camp Reed | Elmore | Operational | 22.5 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Power County Wind Park North | Power | Operational | 22.5 MW | 1 | Wind | Power County Wind Park North LLC |
| Power County Wind Park South | Power | Operational | 22.5 MW | 1 | Wind | Power County Wind Park South LLC |
| Sawtooth Wind Project | Elmore | Operational | 22.4 MW | 1 | Wind | Idaho Winds LLC |
| Burley Butte Windpark | Cassia | Operational | 21.3 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Bennett Creek Windfarm LLC - Mountain Home | Elmore | Operational | 21 MW | 1 | Wind | Bennett Creek Windfarm LLC |
| Mountain Home | Elmore | Operational | 21 MW | 1 | Wind | Hot Springs Windfarm, LLC |
| Payne's Ferry | Twin Falls | Operational | 21 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Salmon Falls Wind Park | Twin Falls | Operational | 21 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Yahoo Creek | Twin Falls | Operational | 21 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| American Falls Solar | Power | Operational | 20 MW | 1 | Solar | American Falls Solar LLC |
| American Falls Solar II | Power | Operational | 20 MW | 1 | Solar | American Falls Solar II, LLC |
| Mt. Home Solar 1, LLC | Elmore | Operational | 20 MW | 1 | Solar | Standard Solar |
| Murphy Flat Solar | Owyhee | Operational | 20 MW | 1 | Solar | Murphy Flat Power, LLC |
| Orchard Ranch Solar | Ada | Operational | 20 MW | 1 | Solar | Orchard Ranch Solar, LLC |
| Simcoe Solar | Elmore | Operational | 20 MW | 1 | Solar | Simcoe Solar |
| Milner Dam Wind Park LLC | Cassia | Operational | 19.5 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Cassia Gulch | Twin Falls | Operational | 18.9 MW | 1 | Wind | Cassia Gulch Wind Park, LLC |
| Upper Salmon A | Twin Falls | Operational | 18 MW | 2 | Hydro | Idaho Power Co |
| IFP Peaking Plant | Bonneville | Operational | 17.5 MW | 7 | Gas | City of Idaho Falls - (ID) |
| Tuana Springs | Twin Falls | Operational | 16.8 MW | 1 | Wind | Tuana Springs Energy, LLC |
| Upper Salmon B | Twin Falls | Operational | 16.5 MW | 2 | Hydro | Idaho Power Co |
| Raft River Geothermal Power Plant | Cassia | Operational | 16 MW | 1 | Geothermal | US Geothermal Inc. |
| Simplot Leasing Don Plant | Bannock | Operational | 15.9 MW | 1 | Other | Simplot Leasing Corp |
| Arrowrock Hydroelectric Project | Elmore | Operational | 15 MW | 2 | Hydro | Boise-Kuna Irrigation District |
| Shoshone Falls | Jerome | Operational | 14.7 MW | 2 | Hydro | Idaho Power Co |
| Soda | Caribou | Operational | 14.6 MW | 2 | Hydro | PacifiCorp |
| Post Falls | Kootenai | Operational | 14.5 MW | 6 | Hydro | Avista Corp |
| Lower Malad | Gooding | Operational | 13.5 MW | 1 | Hydro | Idaho Power Co |
| Oregon Trail Wind Park | Twin Falls | Operational | 13.5 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Amalgamated Sugar Twin Falls | Twin Falls | Operational | 12.7 MW | 4 | Gas | The Amalgamated Sugar Co |
| Cascade Dam (ID) | Valley | Operational | 12.4 MW | 2 | Hydro | Idaho Power Co |
| Golden Valley Wind Park LLC | Cassia | Operational | 12 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Thousand Springs Wind Park | Twin Falls | Operational | 12 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Fossil Gulch | Gooding | Operational | 10.5 MW | 1 | Wind | Greenbacker Renewable Energy Corporation |
| Pilgrim Stage Wind Park | Twin Falls | Operational | 10.5 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Tuana Gulch Wind Park | Twin Falls | Operational | 10.5 MW | 1 | Wind | Idaho Wind Partners 1 LLC |
| Black Canyon | Gem | Operational | 10.2 MW | 2 | Hydro | U S Bureau of Reclamation |
| Bypass | Jerome | Operational | 9.9 MW | 3 | Hydro | North Side Energy Company |
| Horseshoe Bend Hydroelectric Co | Boise | Operational | 9.4 MW | 2 | Hydro | Horseshoe Bend Hydroelectric Co |
| Falls River Hydro | Fremont | Operational | 9 MW | 2 | Hydro | Marysville Hydro Partners |
| Magic Dam Hydroelectric Project | Blaine | Operational | 9 MW | 3 | Hydro | Wood Hydro, LLC |
| S E Hazelton A | Jerome | Operational | 8.7 MW | 3 | Hydro | North Side Energy Company |
| Cassia Wind | Twin Falls | Operational | 8.4 MW | 1 | Wind | Cassia Wind Farm, LLC |
| Wilson Lake Hydroelectric Project | Jerome | Operational | 8.4 MW | 2 | Hydro | Hazelton/Wilson Joint Venture |
| Upper Malad | Gooding | Operational | 8.3 MW | 1 | Hydro | Idaho Power Co |
| Amalgamated Sugar LLC Nampa | Canyon | Operational | 8.2 MW | 2 | Gas | Amalgamated Sugar Co-Nampa |
| City Power Plant | Bonneville | Operational | 8 MW | 1 | Hydro | City of Idaho Falls - (ID) |
| Lower No 1 | Bonneville | Operational | 8 MW | 1 | Hydro | City of Idaho Falls - (ID) |
| South Forks Hydro | Twin Falls | Operational | 8 MW | 2 | Hydro | South Forks Joint Venture |
| Upper Power Plant | Bonneville | Operational | 8 MW | 1 | Hydro | City of Idaho Falls - (ID) |
| Hazelton B Hydro | Jerome | Operational | 7.6 MW | 2 | Hydro | Hazelton/Wilson Joint Venture |
| Felt | Teton | Operational | 7.4 MW | 4 | Hydro | Fall River Rural Elec Coop Inc |
| Thousand Springs | Gooding | Operational | 6.8 MW | 1 | Hydro | Idaho Power Co |
| Ashton | Fremont | Operational | 6.7 MW | 3 | Hydro | PacifiCorp |
| Plummer Cogen | Benewah | Operational | 6.2 MW | 1 | Biomass | Stimson Lumber Company |
| Tamarack Energy | Adams | Operational | 6.2 MW | 1 | Biomass | Tamarack Energy |
| BYUI Central Energy Facility | Madison | Operational | 5.6 MW | 1 | Gas | Brigham Young Univ Idaho |
| Salmon Diesel | Lemhi | Operational | 5 MW | 2 | Oil | Idaho Power Co |
| Dietrich Drop | Lincoln | Operational | 4.8 MW | 1 | Hydro | Wood Hydro, LLC |
| Island Park | Fremont | Operational | 4.8 MW | 2 | Hydro | Fall River Rural Elec Coop Inc |
| Barber Dam | Ada | Operational | 4.1 MW | 1 | Hydro | Barber Pool Hydro LLC |
| Elmore BESS | Elmore | Operational | 4 MW | 1 | Battery | Idaho Power Co |
| Milner Butte LFGE | Cassia | Operational | 3.9 MW | 3 | Landfill, Gas | Southern Idaho Solid Waste |
| Moyie Springs | Boundary | Operational | 3.9 MW | 4 | Hydro | City of Bonners Ferry (ID) |
| Chester Diversion Hydroelectric Project | Fremont | Operational | 3.6 MW | 3 | Hydro | Fall River Rural Elec Coop Inc |
| Dry Creek Project | Butte | Operational | 3.6 MW | 1 | Hydro | Dry Creek LLC |
| Boise R Diversion | Ada | Operational | 3.3 MW | 3 | Hydro | U S Bureau of Reclamation |
| Bannock County LFG to Energy | Bannock | Operational | 3.2 MW | 2 | Landfill, Gas | Bannock County Landfill - (ID) |
| Fighting Creek LFGTE Plant | Kootenai | Operational | 3.2 MW | 2 | Landfill, Gas | Kootenai Renewable Energy LLC |
| Hidden Hollow Energy | Ada | Operational | 3.2 MW | 2 | Landfill, Gas | Hidden Hollow Energy LLC |
| West Point RNG | Gooding | Operational | 3.2 MW | 2 | Biomass | Camco International Group, Inc. |
| Mink Creek Hydro | Franklin | Operational | 3.1 MW | 1 | Hydro | Mink Creek Hydro Entity |
| Lower No 2 | Bonneville | Operational | 3 MW | 1 | Hydro | City of Idaho Falls - (ID) |
| Weiser BESS | Washington | Operational | 3 MW | 1 | Battery | Idaho Power Co |
| Little Wood Hydro Project | Blaine | Operational | 2.8 MW | 1 | Hydro | Littlewood Irrigation District |
| Low Line Rapids | Twin Falls | Operational | 2.8 MW | 1 | Hydro | Lower Lowline LLC |
| Birch Creek Power | Clark | Operational | 2.6 MW | 1 | Hydro | Birch Power Co |
| El Dorado Hydro Elk Creek | Idaho | Operational | 2.6 MW | 1 | Hydro | Hydroland Omega LLC |
| Clear Lake | Gooding | Operational | 2.5 MW | 1 | Hydro | Idaho Power Co |
| Lateral 10 Ventures | Twin Falls | Operational | 2.4 MW | 1 | Hydro | Lateral 10 Ventures |
| Crystal Springs | Twin Falls | Operational | 2.3 MW | 1 | Hydro | Crystal Springs Hydro Elec LP |
| MC6 Hydro Facility | Ada | Operational | 2.3 MW | 1 | Hydro | MC6 Hydro Facility |
| Cargill B6 Biofactory | Gooding | Operational | 2.2 MW | 2 | Biomass | Pico Energy, LLC |
| Rock Creek I | Twin Falls | Operational | 2.1 MW | 1 | Hydro | Shorock Hydro Inc |
| Filer BESS | Twin Falls | Operational | 2 MW | 1 | Battery | Idaho Power Co |
| Melba BESS | Canyon | Operational | 2 MW | 1 | Battery | Idaho Power Co |
| Rock Creek II | Twin Falls | Operational | 1.9 MW | 1 | Hydro | Hydroland Omega LLC |
| Kettle Butte Digester, LLC | Jefferson | Operational | 1.8 MW | 2 | Biomass | Kettle Butte Digester, LLC |
| Last Chance | Caribou | Operational | 1.7 MW | 3 | Hydro | PacifiCorp |
| Mora Drop Hydroelectric Project | Ada | Operational | 1.7 MW | 1 | Hydro | Boise Project Board of Control |
| Big Sky Dairy Digester | Gooding | Operational | 1.6 MW | 2 | Biomass | DF-AP #1 LLC |
| Clif Bar Bakery of Twin Falls | Twin Falls | Operational | 1.6 MW | 1 | Solar | Mondelez Global LLC (Twin Falls) |
| Marsh Valley Development | Bannock | Operational | 1.6 MW | 1 | Hydro | Marsh Valley Development Inc |
| Little Mac Project | Twin Falls | Operational | 1.5 MW | 4 | Hydro | Little Mac Power Company |
| Mile 28 Water Power Project | Jerome | Operational | 1.4 MW | 2 | Hydro | Wood Hydro, LLC |
| Blind Canyon Hydro | Gooding | Operational | 1.3 MW | 1 | Hydro | Blind Canyon Aquaranch, Inc. |
| Koyle Ranch Hydroelectric Project | Gooding | Operational | 1.3 MW | 3 | Hydro | Koyle Hydro Inc |
| North Gooding Main Hydro | Gooding | Operational | 1.3 MW | 1 | Hydro | North Gooding Main Hydro LLC |
| AJMS, LLC | Lincoln | Operational | 1.2 MW | 1 | Hydro | AJMS, LLC |
| Ford Hydro LP | Clearwater | Operational | 1.2 MW | 3 | Hydro | Ford Hydro Ltd Partnership |
| Head of U Canal Hydro Project | Jerome | Operational | 1.2 MW | 1 | Hydro | North Side Energy Company |
| Marco Ranch | Jerome | Operational | 1.2 MW | 4 | Hydro | Marco Power Inc |
| Fargo Drop | Canyon | Operational | 1.1 MW | 1 | Hydro | Boise Project Board of Control |
| GeoBon II | Lincoln | Operational | 1 MW | 1 | Hydro | Koosh, Inc. |